(19)
(11) EP 1 965 600 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
06.04.2011 Bulletin 2011/14

(43) Date of publication A2:
03.09.2008 Bulletin 2008/36

(21) Application number: 08157327.1

(22) Date of filing: 20.09.2002
(51) International Patent Classification (IPC): 
H04W 4/06(2009.01)
(84) Designated Contracting States:
DE FR GB
Designated Extension States:
AL LT LV MK RO SI

(62) Application number of the earlier application in accordance with Art. 76 EPC:
02772884.9 / 1542487

(71) Applicant: Fujitsu Limited
Kawasaki-shi, Kanagawa 211-8588 (JP)

(72) Inventors:
  • Kawabata, Kazuo
    Kawasaki-shi, Kanagawa 211-8588 (JP)
  • Tajima, Yoshiharu
    Kawasaki-shi, Kanagawa 211-8588 (JP)

(74) Representative: Sunderland, James Harry 
Haseltine Lake LLP Lincoln House 300 High Holborn
London WC1V 7JH
London WC1V 7JH (GB)

   


(54) Information downloading apparatus and mobile terminal


(57) A wireless communication apparatus comprising:
a generating unit that generates frequency information for transmitting data to a multicast group and offset information indicating an offset amount of a timing at which the data are to be transmitted with respect to a predetermined periodic reference timing; and
a transmission unit that transmits the frequency information and the offset information generated by the generating unit and transmits the data to the multicast group using a frequency determined by the frequency information at a transmission timing determined by the offset information;
wherein a time interval between the predetermined reference timing and the transmission timing of the data is set to differing time lengths depending on the offset amount indicated by the offset information; and
the frequency information and the offset information are transmitted prior to transmission of the data each time the data transmission is to be performed.







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